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engine_manage.h 1.6 kB

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  1. /**
  2. * Copyright 2019-2020 Huawei Technologies Co., Ltd
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #ifndef GE_PLUGIN_ENGINE_ENGINE_MANAGE_H_
  17. #define GE_PLUGIN_ENGINE_ENGINE_MANAGE_H_
  18. #if defined(_MSC_VER)
  19. #ifdef FUNC_VISIBILITY
  20. #define GE_FUNC_VISIBILITY _declspec(dllexport)
  21. #else
  22. #define GE_FUNC_VISIBILITY
  23. #endif
  24. #else
  25. #ifdef FUNC_VISIBILITY
  26. #define GE_FUNC_VISIBILITY __attribute__((visibility("default")))
  27. #else
  28. #define GE_FUNC_VISIBILITY
  29. #endif
  30. #endif
  31. #include <map>
  32. #include <memory>
  33. #include <string>
  34. #include <vector>
  35. #include "framework/engine/dnnengine.h"
  36. namespace ge {
  37. using DNNEnginePtr = std::shared_ptr<DNNEngine>;
  38. class GE_FUNC_VISIBILITY EngineManager {
  39. public:
  40. static Status RegisterEngine(const std::string &engine_name, DNNEnginePtr engine_ptr);
  41. static DNNEnginePtr GetEngine(const std::string &engine_name);
  42. static std::unique_ptr<std::map<std::string, DNNEnginePtr>> engine_map_;
  43. };
  44. extern "C" {
  45. GE_FUNC_VISIBILITY void GetDNNEngineObjs(std::map<std::string, DNNEnginePtr> &engines);
  46. }
  47. } // namespace ge
  48. #endif // GE_PLUGIN_ENGINE_ENGINE_MANAGE_H_

图引擎模块(GE)是MindSpore的一个子模块,其代码由C++实现,位于前端模块ME和底层硬件之间,起到承接作用。图引擎模块以ME下发的图作为输入,然后进行一系列的深度图优化操作,最后输出一张可以在底层硬件上高效运行的图。GE针对昇腾AI处理器的硬件结构特点,做了特定的优化工作,以此来充分发挥出昇腾AI处理器的强大算力。在进行模型训练/推理时,GE会被自动调用而用户并不感知。GE主要由GE API和GE Core两部分组成,详细的架构图如下所示